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Finding the Fourth Proportional to 572,852.26, 790,548.62 and 314,732.53

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Solution

The fourth proportional to 572,852.26, 790,548.62 and 314,732.53 is: 434,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,852.26 : 790,548.62 = 314,732.53 : x
  2. Step 2: Convert to fraction form
    572,852.26/790,548.62 = 314,732.53/x
  3. Step 3: Cross multiply
    572,852.26x = 790,548.62 × 314,732.53
  4. Step 4: Simplify right side
    572,852.26x = 248,811,367,260.61
  5. Step 5: Solve for x
    x = 248,811,367,260.61/572,852.26
  6. Step 6: Final answer
    x = 434,337.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.